Portable disk



FIG. 1 is a front perspective view of the portable disk showing the new design;

FIG. 2 is a front view of the portable disk;

FIG. 3 is a back view of the portable disk;

FIG. 4 is a left side view of the portable disk;

FIG. 5 is a right side view of the portable disk;

FIG. 6 is a top view of the portable disk;

FIG. 7 is a bottom view of the portable disk;

FIG. 8 is a using status view of the portable disk;

FIG. 9 is another using status view of the portable disk; and,

FIG. 10 is yet another using status view of the portable disk. 

I claim the ornamental design for a portable disk, substantially, as shown and described. 